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63 lines
1.6 KiB
Text
63 lines
1.6 KiB
Text
--source include/have_innodb.inc
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CREATE TABLE t1 (a INT)ENGINE=InnoDB;
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INSERT INTO t1 VALUES(1);
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# alter_algorithm variable doesn't affect when ALTER stmt
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# during PREPARE PHASE or CREATE PROCEDURE
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# Only when execution/call happens, alter uses the alter_algorithm
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# variable when user does not mention algorithm explicitly.
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--enable_info
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SET alter_algorithm='INPLACE';
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PREPARE stmt FROM 'ALTER TABLE t1 ADD KEY idx(a)';
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PREPARE stmt1 FROM 'ALTER TABLE t1 DROP KEY idx';
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DELIMITER |;
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CREATE OR REPLACE PROCEDURE p1()
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BEGIN
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ALTER TABLE t1 ADD KEY idx2(a);
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END|
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CREATE OR REPLACE PROCEDURE p2()
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BEGIN
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ALTER TABLE t1 DROP KEY idx2;
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END|
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DELIMITER ;|
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SET alter_algorithm='COPY';
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EXECUTE stmt;
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EXECUTE stmt1;
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call p1();
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call p2();
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SET alter_algorithm='NOCOPY';
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EXECUTE stmt;
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EXECUTE stmt1;
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call p1();
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call p2();
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SET alter_algorithm='INSTANT';
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--error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON
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EXECUTE stmt;
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--error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON
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call p1();
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DROP TABLE t1;
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DROP PROCEDURE p1;
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DROP PROCEDURE p2;
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SET @save_allowed= @@GLOBAL.innodb_instant_alter_column_allowed;
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SET GLOBAL innodb_instant_alter_column_allowed=never;
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CREATE TABLE t1(id INT PRIMARY KEY,
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col1 INT UNSIGNED NOT NULL UNIQUE)ENGINE=InnoDB;
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INSERT INTO t1 VALUES(1,1),(2,2),(3,3);
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SET ALTER_ALGORITHM=INSTANT;
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--error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON
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ALTER TABLE t1 DROP COLUMN col1;
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--error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON
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ALTER TABLE t1 DROP COLUMN col1, ALGORITHM=NOCOPY;
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ALTER TABLE t1 DROP COLUMN col1, ALGORITHM=DEFAULT;
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ALTER TABLE t1 DROP PRIMARY KEY, ALGORITHM=DEFAULT;
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DROP TABLE t1;
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--disable_info
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SET GLOBAL innodb_instant_alter_column_allowed=@save_allowed;
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